Our business scope includes laminated steel plate business, the main agent of Japan 's gold mirror steel plate ( original import ), including NAS630 & NAS301 ( high expansion coefficient ) precipitation hardening steel plate. The product has won the pursuit of CCL / PCB customers with ultra-high hardness, extremely low surface roughness and excellent thermal conductivity. At the same time, the leveling, grinding, polishing, cutting and repairing of the pressed mirror steel plate are merged.
1. Ultra-High Hardness: Our steel plates are engineered to deliver superior hardness, ensuring long-lasting performance even under extreme conditions. This makes them particularly suitable for industries where wear resistance and structural integrity are critical.
2. Extremely Low Surface Roughness: The surface finish of our steel plates is meticulously controlled to achieve ultra-low roughness levels (Ra ≤ 0.15㎛, Rz ≤ 1.5㎛). This ensures a smooth, flawless surface that is essential for high-precision applications, such as in the production of CCL (Copper Clad Laminate) and PCB (Printed Circuit Boards).
3. Excellent Thermal Conductivity: The thermal management properties of our steel plates are second to none. With thermal conductivity ranging from 17-23 W/(m*K), these materials are designed to efficiently dissipate heat, making them ideal for use in high-temperature environments and applications where thermal stability is paramount.
4. High Expansion Coefficient: The NAS630 and NAS301 series are specifically designed to accommodate thermal expansion, making them perfect for applications where dimensional stability under varying temperatures is crucial. This feature is particularly valuable in industries such as electronics, where components are subjected to significant thermal cycling.
project | NAS630 | NAS301 | ||
Mass-Lam | Pin-Lam | Mass-Lam | Pin-Lam | |
Thickness | 1.0~2.5mm | 1.0~2.5mm | 1.0~1.8mm | 1.0~1.8mm |
Width | ≦1300mm | ≦1300mm | ≦1060mm | ≦1060mm |
Length | ≦2410mm | ≦2410mm | ≦3150mm | ≦3150mm |
Plate thickness tolerance | ±0.05mm | ±0.05mm | ±0.05mm | ±0.05mm |
Roughness | Ra≦0.15㎛ Rz≦1.5㎛ | Ra≦0.15㎛ Rz≦1.5㎛ | Ra≦0.15㎛ Rz≦1.5㎛ | Ra≦0.15㎛ Rz≦1.5㎛ |
Hole-to-hole tolerances for positioning holes | -- | +0.1/-0mm | -- | +0.1/-0mm |
Standard bushing slot hole tolerances | -- | +0.05/-0mm | -- | +0.05/-0mm |
Warpage degree | ≦3mm/m | ≦3mm/m | ≦3mm/m | ≦3mm/m |
Dimension tolerances | -0/+1mm | -0/+1mm | -0/+1mm | -0/+1mm |
Endurance | ≧1175（N/mm²） | ≧1175（N/mm²） | ≧205（N/mm²） | ≧205（N/mm²） |
Tensile strength | ≧1400（N/mm²） | ≧1400（N/mm²） | ≧520（N/mm²） | ≧520（N/mm²） |
Extensionality | ≧5% | ≧5% | ≧40% | ≧40% |
Hardness ( HRC ) | 50±2 | 50±2 | 44±2 | 44±2 |
Type | C | Si | Mn | Ni | Cr | Mo | Cu | other |
NAS630 | ≦0.07 | ≦1 | ≦1 | 3~5 | 15~17.5 | - | 3~5 | Nb0.15~0.45 |
NAS301 | ≦0.15 | ≦1 | ≦2 | 6~8 | 16~18 | - | - | - |
Steel plate type | Project | Scope of application | Standard value |
NAS630 | specific gravity |
| 8.03 |
mean coefficient of thermal expansion （10-6/℃） | 0-400℃ | 10~12 | |
NAS301 | specific gravity |
| 8.03 |
mean coefficient of thermal expansion （10-6/℃） | 0-400℃ | 15~17 |
Steel plate type | bench markW/（m*k） | 0-200℃ | 200-400℃ |
NAS630 | 18~23 | 18 | 23 |
NAS301 | 17~21 | 17 | 21 |
Huanyuchang is the general agent of Japanese metallurgical steel plate in South China.
Specializing in the deep processing of PCB, CCL, IC carrier board and other industrial use of the laminated steel plate
There are two types of steel plates : ordinary steel plate ( NAS630 precipitated hardening steel plate ) and high expansion coefficient steel plate ( NAS301 precipitated hardening steel plate ).
The company has its own processing center and production team, which can provide customers with one-stop service of vehicle, sales, processing and maintenance, so as to help improve customer quality and reduce customer cost.
We sincerely, honest, high-precision technology, a serious attitude towards each customer, so that we are satisfied with both customers.
Projects undertaken :
Pressing steel plate processing, leveling, grinding, polishing, trimming, repair
Usage : Used for PCB, CCL, FCCL, FPCB, aluminum substrate and other factories.
Service quality assurance : Ensure that service providers have the professional skills and good attitude to provide high-quality services. Timely response and solve problems, for customer problems and needs, service support personnel should respond in a timely manner and give effective solutions.
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